Acronym for "Post-Ejaculation Moment-of-Clarity". That brief moment after ejaculation when a man's brain is in total control - any mistakes of the preceding period of time are suddenly obvious, the appearance of nearby females is objectively assessable, and moral judgments can be made effectively.

In the PEMOC, it's clear that I shouldn't fuck my kid's kindergarten teacher... but 5 minutes later I'm always back to figuring out how to keep doing it.